package org.hyjiacan.deadqq.server.dao;

import java.util.List;

import org.hyjiacan.deadqq.common.entity.User;


public interface IContactDAO {
	boolean add(long userNumber, long contactNumber);

	boolean delete(long userNumber, long contactNumber);

	boolean edit(long userNumber, long contactNumber);

	User queryByNumber(long userNumber, long contactNumber);

	List<User> queryAll(long number);
}
